2666445620312 has 16 divisors (see below), whose sum is σ = 5121526649400. Its totient is φ = 1300705180480.

The previous prime is 2666445620299. The next prime is 2666445620327. The reversal of 2666445620312 is 2130265446662.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4064703362 + ... + 4064704017.

Almost surely, 2^{2666445620312} is an apocalyptic number.

It is an amenable number.

2666445620312 is a deficient number, since it is larger than the sum of its proper divisors (2455081029088).

2666445620312 is a wasteful number, since it uses less digits than its factorization.

2666445620312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8129407426 (or 8129407422 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 47.

The spelling of 2666445620312 in words is "two trillion, six hundred sixty-six billion, four hundred forty-five million, six hundred twenty thousand, three hundred twelve".